下面为大家总结了最新的gre猴哥数学难题。有很多gre考生对gre数学考试十分苦恼,其实最有效的方法就是多练习,把数学基础知识记牢,这样才能在考试中对答如流。而gre数学考试中也会出现一些难题,想拿高分也十分不容易。* ^! O7 G" C W1 M# S3 d2 b
1.Sixty-eight people are sitting in 20 cars and each car contains at most 4 people. What is the maximum possible number of cars that could contain exactly 1 of the 68 people?
% {& W' g4 [: V% i& v0 q4 p A.2 B.3 C.4 D.8 E.12
t1 ~* ~) c2 i4 J 2.if n is any prime number greater than 2, which of the following cannot be a prime number?' {9 o/ d* n X% N; h. s( T: j
A.n-4 B.n-3 C.n-1 D.n+2 E.n+5$ c% `2 B6 R* |+ i
3.In 1988 Mr. Smith’s annual income was greater than Mrs. Smith’s annual income. In 1989 Mr. Smith’s annual income decreased by p percent, whereas Mrs. Smith’s annual income increased by p percent. (p>0)
2 |$ ?" A4 j1 W5 e2 \6 |3 z) R Column A: Mr. and Mrs. Smith’s combined annual income in 1988
( y+ Z2 v4 u% [" K4 t- c Column B: Mr. and Mrs. Smith’s combined annual income in 19890 P1 q" t7 i8 H+ s$ N
4.How many integers between 101 and 201 are equal to the square of some integer?" r6 [/ g9 F( W7 a# E6 @( L/ e; q
A. Two B. Three C. Four D. Five E. Six
& K5 r& @4 a$ U' R/ ]4 v 5. The price of a certain stock was 12*1/2 dollars per share.
% q( E) L: n3 r. V) h4 F The price increased x percent to 15*5/8 dollars per share.
: o8 L& P6 t) s! S5 T1 |3 ? Column A: x* K! R& d; ?+ T
Column B: 20
/ Y, ]- j3 z2 R: z( }& f1 @ 6. The “reflection” of a positive integer is obtained by reversing its digits. For example, 321 is the reflection of 123. The difference between a five-digit integer and its reflection must be divisible by which of the following?
3 R, N9 W8 M ?: A5 D8 h A.2 B.4 C.5 D.6 E.9
( t# [ `9 p; [6 ` 7. Column A: 1/(1-0.03)9 B) _, C5 J$ r3 w
Column B: 1.03: s A; h0 F$ _& M
8.The original value of machine X is V dollars, while the original value of machine Y is 2V dollars. Both machines depreciate in value at a constant rate of 10 percent of their original value per year.( K/ S+ N3 d& L$ c) t8 |
Column A: The value of machine X after 3 years
1 t* [+ { t0 Q Column B: The value of machine X after 6 years. l* N$ } @$ Z* v
9. If n is an odd integer, which of the following is the square of the next larger odd integer?% g8 g1 Z! C$ f- ~$ g0 A8 ~
A. n*n+1 B. n*n+4 C. n*n+2n+1 D. n*n+4n+1 E.n*n+n+1
% ~3 B! ]8 A) I8 j. S 10. If 55 percent of a group of people have brown hair and 80 percent of the same group do not have red hair, what fraction of those who do not have brown hair red hair?% b5 }2 _: Q2 W, T. }9 L. \) N
A. 1/4 B.4/11 C.4/9 D.5/9 E.4/5
1 @7 O5 {/ G& q8 [1 q, U 最新的gre猴哥数学难题中有很多gre数学考试中常见的难题,而且难题涉及的范围也比较广泛,考生在复习时一定要多注意日常的练习和积累。 |